English:
Since August 24, 2016, the ground motion derived intensity shakemaps are determined using the Faenza and Michelini (2010, 2011)
conversion relations between ground motion parameters and the MCS intensity scale.
For reference, the relation used is cited on the bottom left of the color scale legend.

English:
The maps of ground shaking - ShakeMap - published in this web site have been determined only for research purposes and provide preliminary and incomplete estimates of the experienced shaking. They have been determined automatically from the instrumentally recorded data by the seismic stations and are updated as more data become available. The maps do not have any official value and INGV declines any responsibility from an improper use of the information therein represented.